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sandboxing: check whether debian specific patch disables user namespaces for unpriv users

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This commit is contained in:
Albert S. 2019-08-12 09:06:32 +02:00
parent cc47b2823e
commit efd7aff613
1 changed files with 12 additions and 0 deletions
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12
sandbox/sandbox-linux.cpp
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@ -200,6 +200,18 @@ bool SandboxLinux::enablePreWorker(std::vector<std::string> fsPaths)
bool SandboxLinux::supported() bool SandboxLinux::supported()
{ {
std::fstream stream;
stream.open("/proc/sys/kernel/unprivileged_userns_clone");
if(stream.is_open())
{
std::string str;
stream >> str;
if(str[0] == '0')
{
Logger::error() << "Please write '1' to /proc/sys/kernel/unprivileged_userns_clone in order to enable sandboxing support on this system";
return false;
}
}
return true; return true;
} }
bool SandboxLinux::enableForWorker() bool SandboxLinux::enableForWorker()